diff options
| author | Krishna Reddy <vdumpa@nvidia.com> | 2014-09-03 12:16:07 -0700 |
|---|---|---|
| committer | Winnie Hsu <whsu@nvidia.com> | 2014-11-05 16:03:09 -0800 |
| commit | 204516bf4c8441ca1c58e55b0f1ba2583962eee4 (patch) | |
| tree | 0381fc68669608084a019be2a420058e2c014526 /mm | |
| parent | c1dced9d6dd1ecf754373b29e7c74410f6ebd01e (diff) | |
mm: compaction: don't restrict page isolation during CMA page migration
don't limit the number of pages isolated during CMA page migration.
Bug 1550455
Change-Id: Ib6edcb090b30212302543098a05b85e669ade45d
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/495283
(cherry picked from commit ec9ed2b5c4418c658fe2a3b00b0baf6179b3b452)
Reviewed-on: http://git-master/r/592898
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/compaction.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 18a90b4d0bfc..be153e26c57d 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -617,7 +617,8 @@ isolate_migratepages_range(struct zone *zone, struct compact_control *cc, check_compact_cluster: /* Avoid isolating too much */ - if (cc->nr_migratepages == COMPACT_CLUSTER_MAX) { + if (cc->nr_migratepages == COMPACT_CLUSTER_MAX && + !is_cma_page(pfn_to_page(low_pfn))) { ++low_pfn; break; } |